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Click on image for the lowdown. 
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| | | Forums66 Topics128,196 Posts1,057,391 Members48,469 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: May 2011 Posts: 27 New Guy | | New Guy Joined: May 2011 Posts: 27 | The plugs I pulled out were AC Delco C45's with "commercial" printed on them. I purchased AC Delco R45's yesterday. From what I gathered that was the correct plug.
1952 GMC 150 3/4 ton 5 Window
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